R911394678 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Control Section: Basic Power Source: Three-phase AC Input Voltage Range: 200 to 500 Volts AC Maximum Output Rating: 8 Amps Heat Outlet: Top of the controller Operation Temperature: 40 degrees Celsius (derates beyond) Maximum Temperature: 55 degrees Celsius (with derated output) Communication Interface: Multi-Ethernet, CANopen (optional) Safety Module: Supports safe motion Control Panel: Standard provided, non-hot plug IP Rating: IP20 Mounting: Cabinet mounting Installation: Recommended for trained personnel only.